It, too, had no mark I could find that indicated a gold plating. The antique jade is from the Qing Dynasty and it is an early piece as I was told.
The blade is marked Hong Kong Gump's. The blade has no bends or dents.
The jade has no damage as well. Included in this sale is the original silk-covered Gump's storage box. Pease, look at all photos as there are the better part of the description. Thank you for your interest in this magnificent antique jade dragon carving.The item "Gump's Letter Opener - Antique Hetian Jade Button or Garment Hook" is in sale since Wednesday, August 7, 2019. This item is in the category "Antiques\Asian Antiques\China\Other Chinese Antiques".
The seller is "lynncharles123" and is located in Tacoma, Washington. This item can be shipped to United States.